Cheap Flights from Oslo to Seattle

Compare Oslo to Seattle flight deals

Find the cheapest month or even day of the year to fly to Seattle

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Flight deals from Oslo to Seattle

Looking for a cheap last-minute deal or the best return flight from Oslo to Seattle? If you want to travel next month, return fares start from ج.م.‏ 29,071. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Oslo to Seattle

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Oslo to Seattle flights are currently cheapest in October.

Oslo to Seattle: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 18,663
Cheapest month to flyOctober

Finding cheap flights from Oslo to Seattle: Frequently asked questions

There are 4 airports in Seattle: Seattle Lake Union SPB, Seattle Boeing Fld, Seattle / Tacoma International, and Paine Field.
The best price we found for a return flight from Oslo to Seattle is ج.م.‏ 27,635. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Oslo to Seattle. But we found flights with one or more stops from ج.م.‏ 27,635.
As of June 2026, there are no flights flying from Oslo to Seattle.
The cheapest month to fly from Oslo to Seattle is usually September.
If you're flying from Oslo, the cheapest airport near Seattle is Seattle / Tacoma International – which is 19.5 km away from the centre of Seattle. We've found flights into this airport from ج.م.‏ 27,635.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Oslo to Seattle on Friday, 4 September 2026.
No airlines currently offer direct flights between Oslo and Seattle. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seattle but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seattle is around 40 days in advance, so don’t leave your flight to the last minute.

In June, the average temperature is usually around 14°C. August is typically the warmest month in Seattle, when it usually averages around 23°C. You can expect the least rain in July. The coldest month is December, with temperatures averaging 0°C. The rainiest month is November.
The cheapest airline that flies to Seattle is Scandinavian Airlines .

Flying from Oslo to Seattle: what you need to know

  • There are two main airports you can start your trip from in Oslo. Explore your options leaving from Oslo Gardermoen Airport (OSL) or TORP Sandefjord Airport (TRF) when planning your flight from Oslo to Seattle.

  • Seattle / Tacoma International Airport (SEA) and Seattle Lake Union SPB Airport (LKE) are Seattle's major entry points.

  • Seattle is nine hours behind Oslo and observes the UTC-8 timezone.

  • To ensure you board your Oslo to Seattle flight, leave plenty of time for things like check-in and baggage drop. Turning up two hours before international departures and an hour before domestic flights is the general rule to follow.

  • Be prepared for bigger queues during popular months such as September. Arriving up to four hours ahead of international flights and two hours for a domestic departure will give you plenty of time for security and boarding.

How to find the cheapest flights from Oslo to Seattle

  • To find cheap Oslo to Seattle flights, book ahead. Airlines generally offer their most competitively priced fares when flights first go on sale.

  • Getting cheap plane tickets from Oslo to Seattle is more likely if you're flexible with your travel plans. Use the 'Whole month' search function to see the lowest fares across every month and walk away with an incredible deal.

  • Save time looking for cheap flights from Oslo to Seattle by creating a Price Alert. You'll receive an email or notification through the app when fares go down.

  • Tailor your travel plans using filters. Pick your preferred arrival and departure times, airlines and total journey duration. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' Oslo to Seattle flights.

Flying from Oslo

Oslo Gardermoen Airport (OSL)

  • Think about adding a stopover to potentially save on your Oslo to Seattle flight. Just deselect 'Direct flights only' when searching for departures from Oslo Gardermoen Airport. Break up the journey at one of these airports:

    • London Heathrow Airport (LHR)

    • Helsinki Vantaa Airport (HEL)

    • Reykjavik Keflavik Airport (KEF)

  • The journey from central Oslo to OSL takes around 20 minutes on public transport. If you drive, ride-share or get a taxi, you'll cover the 40 kilometres in 40 minutes or so, depending on traffic conditions.

  • After a stress-free start to your journey? Stay near Oslo Gardermoen Airport. Whether you have an early flight from Oslo to Seattle or just don't want to be rushed, these hotels are perfect:

  • Oslo Gardermoen Airport maintains a solid on-time performance, reducing the likelihood of delays. Departures from OSL touch down on schedule 85% of the time.

TORP Sandefjord Airport (TRF)

  • Using public transport, you can travel from central Oslo to TRF in around 1 hour 50 minutes. The airport is roughly 88 kilometres away. Driving will take you about 1 hour 30 minutes.

  • Want to treat yourself to an extra night away before boarding your flight from Oslo to Seattle? Unwind in a hotel near TORP Sandefjord Airport before your break officially starts. Stay at one of these accommodation options:

  • The majority of flights that leave TORP Sandefjord Airport land at their destination as expected. It achieves a consistent on-time performance rate of 88%.

Arriving in Seattle

Seattle / Tacoma International Airport (SEA)

  • Seattle / Tacoma International Airport (SEA) to central Seattle takes around 25 minutes to reach by car. The centre is roughly 19 kilometres away.

  • Travelling to the centre by public transport takes about 35 minutes.

  • If you're arriving on a late flight from Oslo to Seattle, nothing beats the convenience of staying close to the terminal. Collect your bags from the carousel and then be showered and snoozing soon after at one of these accommodation options near SEA:

  • Travel at your own speed with a Seattle / Tacoma International Airport rental car. Pick up your wheels from Thrifty, Europcar or Budget and discover more of Seattle and beyond.

  • Lock in the lowest price by booking your ride from Seattle / Tacoma International Airport around one week in advance of your trip.

Paine Field Airport (PAE)

  • After your flight from Oslo to Seattle has touched down, you can get to the city centre in about 20 minutes by car. Central Seattle is roughly 32 kilometres from Paine Field Airport (PAE).

  • If you hop on public transport, the journey will take you 40 minutes or so.

  • You'll find some great places to call home for the night near PAE. Tuck yourself in after your Oslo to Seattle flight at one of these perfectly located options:

  • Why wait around? A Paine Field Airport rental car lets you start your journey right away. Crank up the music and hit the open road with a set of wheels from Budget or Enterprise.

  • In general, the earlier you book, the better the deals and selection of vehicles. Secure your ride from PAE as soon as you've confirmed your plans.

Seattle Boeing Fld Airport (BFI)

  • Seattle Boeing Fld Airport (BFI) is roughly 11 kilometres from central Seattle. It takes about 20 minutes to get to the city centre by car once you've stepped off your flight from Oslo to Seattle.

  • The journey will take roughly 35 minutes on public transport.

  • Whether you're after a mini for a solo escape or a spacious SUV to fit the whole crew comfortably, you'll find the ideal Seattle Boeing Fld Airport rental car for you. Explore wheels available from suppliers such as Alamo, Budget and Avis.

  • Booking at least a few weeks in advance of your flight from Oslo to Seattle is a smart way to go. Along with more affordable prices, you might find it easier to get the make and model you prefer at BFI.

Best time to go to Seattle

  • It's time to pick your travel dates for your flight from Oslo to Seattle. July is the most popular month for a trip to Seattle. If you want a quieter atmosphere, go in March.

  • When booking your Oslo to Seattle tickets, think about the type of weather you enjoy. August is the warmest month in Seattle, with temperatures ranging from 12ºC to 28ºC.

  • Look for cheap flights from Oslo to Seattle in February if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between -1ºC and 11ºC on average.

More about Seattle

  • Once you've booked your flight from Oslo to Seattle, take your pick from prime hotels that put you close to the action. Make one of these options your base for exploring Seattle:

  • Every great holiday has to include some sightseeing. Space Needle, Pike Place Fish Market and The Museum of Flight are essential stops on your Seattle itinerary.

Explore more of the United States

  • Portland is just one of the many cities in the United States waiting to be explored after you've seen Seattle. Around 241 kilometres to the south, its top attractions include Portland Japanese Garden, Peninsula Park Rose Garden and International Rose Test Garden.

  • Around 370 kilometres east of Seattle, Spokane is another favourite stop in the United States. Start your sightseeing at Riverside State Park, Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.